{{define "foot"}}
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
  <div>
    我是foot的内容, 哈哈哈哈

    <span style="color: blue">{{.}}</span>
  </div>
</body>
</html>
{{end}}
